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Flex
FLEX

697 hedge funds and large institutions have $20.6B invested in Flex in 2025 Q3 according to their latest regulatory filings, with 114 funds opening new positions, 214 increasing their positions, 261 reducing their positions, and 54 closing their positions.

New
Increased
Maintained
Reduced
Closed

111% more first-time investments, than exits

New positions opened: 114 | Existing positions closed: 54

34% more call options, than puts

Call options by funds: $90.8M | Put options by funds: $67.9M

9% more capital invested

Capital invested by funds: $18.9B → $20.6B (+$1.78B)

8% more funds holding

Funds holding: 647 → 697 (+50)

6% more funds holding in top 10

Funds holding in top 10: 18 → 19 (+1)

6.22% less ownership

Funds ownership: 101.08% → 94.86% (-6.2%)

18% less repeat investments, than reductions

Existing positions increased: 214 | Existing positions reduced: 261

Holders
697
Holders Change
+50
Holders Change %
+7.73%
% of All Funds
9.15%
Holding in Top 10
19
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+5.56%
% of All Funds
0.25%
New
114
Increased
214
Reduced
261
Closed
54
Calls
$90.8M
Puts
$67.9M
Net Calls
+$22.9M
Net Calls Change
-$14M

Top Buyers

1
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$80.9M
2
Pacer Advisors
Pacer Advisors
Pennsylvania
+$71.3M
3
JP Morgan Chase
JP Morgan Chase
New York
+$62.9M
4
BlackRock
BlackRock
New York
+$53.1M
5
JCM
Junto Capital Management
New York
+$51.6M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$239M
2
Primecap Management
Primecap Management
California
-$212M
3
Wellington Management Group
Wellington Management Group
Massachusetts
-$199M
4
UBS AM
UBS AM
Illinois
-$168M
5
PCH
Polar Capital Holdings
United Kingdom
-$118M
Name Holding Trade Value Shares
Change 		Change in
Stake
Goldman Sachs
51
Goldman Sachs
New York
$55.7M +$10.8M +202,656 +27%
Voloridge Investment Management
52
Voloridge Investment Management
Florida
$54.9M +$31.8M +597,817 +171%
BIP
53
Brandes Investment Partners
California
$54.5M -$12.2M -230,577 -20%
Capital International Investors
54
Capital International Investors
California
$50.1M -$3.77K -71 -0%
California Public Employees Retirement System
55
California Public Employees Retirement System
California
$49.3M +$279K +5,246 +0.6%
SRFM
56
Shannon River Fund Management
New York
$49.2M -$24M -452,500 -35%
Macquarie Group
57
Macquarie Group
Australia
$49M -$36.4M -684,974 -45%
CHAM
58
Clear Harbor Asset Management
Connecticut
$48.9M -$935K -17,601 -2%
TG
59
TCW Group
California
$48.7M -$22.8M -429,595 -34%
Principal Financial Group
60
Principal Financial Group
Iowa
$48.3M -$1.85M -34,866 -4%
Victory Capital Management
61
Victory Capital Management
Texas
$45.7M -$21.7M -409,280 -34%
Ameriprise
62
Ameriprise
Minnesota
$44.7M +$4.47M +84,056 +12%
Royal Bank of Canada
63
Royal Bank of Canada
Ontario, Canada
$43.8M -$642K -12,080 -2%
Swiss National Bank
64
Swiss National Bank
Switzerland
$41.9M -$494K -9,300 -1%
JSSH
65
J. Safra Sarasin Holding
$38.7M -$2.29M -43,136 -6%
SAM
66
Storebrand Asset Management
Norway
$38.2M – – –
Man Group
67
Man Group
United Kingdom
$38M +$607K +11,423 +2%
Arrowstreet Capital
68
Arrowstreet Capital
Massachusetts
$37.6M +$26.6M +499,822 +338%
Treasurer of the State of North Carolina
69
Treasurer of the State of North Carolina
North Carolina
$36.4M +$23.9M +449,546 +252%
T. Rowe Price Associates
70
T. Rowe Price Associates
Maryland
$36.3M +$13M +244,959 +64%
GJL
71
Gendell Jeffrey L
$36.1M +$30.5M +573,472 +1,147%
Raymond James Financial
72
Raymond James Financial
Florida
$35.8M -$2.55M -47,913 -7%
Citigroup
73
Citigroup
New York
$35.7M +$25.8M +484,779 +371%
SG Americas Securities
74
SG Americas Securities
New York
$34.7M +$20.9M +393,620 +193%
PCM
75
Portolan Capital Management
Massachusetts
$34.5M +$6.12M +115,182 +24%
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FLEX Hedge Fund Activity: Q3 2025 in Review

697 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Flex (FLEX) for Q3 2025, worth a combined $20.6B — up 9.5% from $18.9B a quarter earlier.

Buyers outnumbered sellers: 114 funds opened new FLEX positions and 54 closed out — a net gain of 60 holders — while 214 added to existing stakes and 261 trimmed.

The largest buyer was Qube Research & Technologies (QRT), adding an estimated $80.9M. The largest seller was Fidelity Investments, cutting an estimated $239M.

  • 697 institutional investors held Flex (FLEX) as of Q3 2025, up from 647 in Q2 2025.
  • Funds reported $20.6B of Flex stock for Q3 2025, up 9.5% quarter-over-quarter.
  • 114 funds opened new Flex positions in Q3 2025 and 54 closed out, a net change of +60 holders.
  • The largest Flex buyer in Q3 2025 was Qube Research & Technologies (QRT), an estimated $80.9M added.
  • The largest Flex seller in Q3 2025 was Fidelity Investments, an estimated $239M sold.

Based on aggregated 13F filings for Q3 2025.